Home / 1,077,104.40-1,615,733.40-329,149.20

Finding the Fourth Proportional to 1,077,104.40, 1,615,733.40 and 329,149.20

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Solution

The fourth proportional to 1,077,104.40, 1,615,733.40 and 329,149.20 is: 493,747.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,104.40 : 1,615,733.40 = 329,149.20 : x
  2. Step 2: Convert to fraction form
    1,077,104.40/1,615,733.40 = 329,149.20/x
  3. Step 3: Cross multiply
    1,077,104.40x = 1,615,733.40 × 329,149.20
  4. Step 4: Simplify right side
    1,077,104.40x = 531,817,356,023.28
  5. Step 5: Solve for x
    x = 531,817,356,023.28/1,077,104.40
  6. Step 6: Final answer
    x = 493,747.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.